YN 560 III IV Flash Speedlite for Nikon Canon Olympus Pentax DSLR Camera Wireless Master

--This flash speedlite YN560 IV is the Fourth Generation of YN560 flash, it is a manual flash designed for all cameras with standard hotshoe. This flash is a Master Flash and a Slave Flash as well, it has built-in flash trigger system. It can be a Master flash to trigger another YN560 IV and YN560 III, and can be a Slave flash triggered by another flash YN560 IV, or by flash trigger 560TX, RF605, RF603 or RF602.

---It is manuall flash, it has the following new features:

1. Modes: Wireless Radio Mode(works with another flash YN560 IV, or flash trigger 560TX, RF605, RF603), Manual mode(M), Multi Flashes mode(Multi), Optical Slave (S1 and S2) 

2. PC Port 
3. External Charging Port 
4. Auto Zoom Head (24-85mm)
5. Manual Zoom (24mm, 35mm, 50mm, 70mm, 85mm, 105mm)
6. Exposure Compensation
7. Rear-curtain Sync 
8. Reflector Board 
9. Wide-angle Diffuser
10. Superfast Recycling Time
11. Power-saving

Parameters:
Flash index: 58meters (ISO100, 105mm) 
Flash Mode: Manual & Slave 
Up/down ward angle: 0-90 degree
Left/right angle: 0-270 degree
Power Source: 4 X AA size batteries (Alkaline or Ni-MH are usable)
Battery Life: 100 - 1500 times (with alkaline batteries)
Recycle Time: 3 sec(with alkaline batteries)
Color Temperature: 5600K
Flash Duration: 1/200S - 1/20000S
External interface: hot shoe, PC port and eternal charging port
Wireless triggering distance: 20~30m indoor, 10~15m outdoor 
Flash control: 8 levels of output control (1/128~1/1), 57 levels of fine tuning
Dimensions: 60X190X78mm
Net Weight: 350g